1.1 This specification covers the requirements for specified copper-zinc-tin alloys and copper-zinc-tin-iron-nickel alloys in the form of plate, sheet, strip, and rolled bar. The alloys and nominal compositions are as follows:

Copper Alloy UNS No.

Copper, %

Tin, %

Zinc, %

Phos., %%

Iron, %

Nickel, %

C40500

95

1

4

C40810

95.5

2.0

2.22

0.03

0.1

0.15

C40850

95.5

3.0

1.27

0.1

0.1

0.1

C40860

94.8

2.0

3.04

0.03

0.03

0.1

C41100

91

0.5

8.5

C41300

91

1

8

C41500

91

2

7

C42200

87

1

12

C42500

88

2

10

C42520

89.8

2.0

7.97

0.1

0.1

0.1

C43000

85

2

13

C43400

85

0.7

14.3

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.